Home / 1,961,506.80-2,706,881.76-1,102,066.56

Finding the Fourth Proportional to 1,961,506.80, 2,706,881.76 and 1,102,066.56

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Solution

The fourth proportional to 1,961,506.80, 2,706,881.76 and 1,102,066.56 is: 1,520,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,506.80 : 2,706,881.76 = 1,102,066.56 : x
  2. Step 2: Convert to fraction form
    1,961,506.80/2,706,881.76 = 1,102,066.56/x
  3. Step 3: Cross multiply
    1,961,506.80x = 2,706,881.76 × 1,102,066.56
  4. Step 4: Simplify right side
    1,961,506.80x = 2,983,163,869,569.95
  5. Step 5: Solve for x
    x = 2,983,163,869,569.95/1,961,506.80
  6. Step 6: Final answer
    x = 1,520,853.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.